Filter Circles, 240mm Dia, Binder Free Grade GF/A, 100/pk (1820-240) Accessory port and orthopedic port

Accessory port and orthopedic port are included

Manufactured to provide extra long life and reliable illumination

Reversible outlets that can be easily positioned on the right or left side

You can wear the lightweight shield comfortably for long periods and it fits easily over prescription glasses or protective eyewear

Smooth finish

Filter Circles, 240mm Dia, Binder Free Grade GF/A, 100/pk (1820-240) Accessory port and orthopedic portWhatman offers two types of glass microfiber filters manufactured from 100% borosilicate glass: binder free that is chemically inert and with binder. These filters combine fast flow rates with high loading capacity and the retention of very fine particles, extending into the sub micron range. Can be used at temperatures up to 500C and are ideal for use in applications involving air filtration and for gravimetric analysis of volatile materials where